This child's cycling jersey is high performance wicking polyester fabric that keeps the little ones comfortable on the bicycle. It has a zipper to vent the heat when the little ones need it. Three pockets in the rear and high quality stitching details. More Info (We have matching adult jerseys for you!) Colors: Lt. Blue, Orange, Yellow Standard American Sizes Small 0-2 | Medium 2-4 | Large 6-8 | X-Large 10-12| Adult XS 14-16 We have three child Jersey sizes: SMALL/MEDIUM, LARGE/X-LARGE and Adult XS Size is based on standard clothing size not age. Babies can wear the size small until about age 3-4 because of the transition from diapers. Availability: Usually ships the next business day Child Youth Biking Cycling Jersey CJ101$19.95Size: Child S/MChild L/XLAdult XS Color: RoyalBlueOrangeRedWhitePurpleYellow Thank you for your interest in our cyclewear! We ship all orders ASAP email: cyclewear@aerotechdesigns.com Website: http://www.aerotechdesigns.com